CORA
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Remove Duplicates from CSV

Identify and purge redundant rows by specific key columns (Email, Phone, Client ID) or across complete records in pure browser memory.

100% Client-Side PrivateZero Server UploadFree & Unlimited

Source Spreadsheet

Upload any CSV/TSV or paste cells from your clipboard

Click to upload CSV or drag and drop

Supports RFC 4180 CSV, TSV, or TXT exports (up to 200,000 rows in memory)

cora_contacts_sample.csv(10 rows)

Deduplication Key Criteria

Select which columns must match to flag a duplicate record

Evaluating match across 7 of 7 columns:
Total Input Rows
10
Unprocessed source
Unique Retained
8
80% retained clean
Duplicates Removed
2
Purged redundancies
Privacy & Engine
100% In-RAM
Zero cloud transmissions
#
Client IDKEY
Full NameKEY
Email AddressKEY
Phone NumberKEY
CityKEY
StatusKEY
Retainer Value (INR)KEY
1CORA-101Rohan Vermarohan.v@techstudio.in+91 98201 22345MumbaiActive85000
2CORA-102Kavya Patelkavya@designcraft.co+91 98450 67890BengaluruActive60000
3CORA-103Aarav Mehtaaarav.mehta@finworks.org+91 99300 44556Delhi NCRPending95000
4CORA-104Pooja Sundarampooja@creativesphere.com+91 97112 33445ChennaiActive45000
5CORA-102Kavya Patelkavya@designcraft.co+91 98450 67890BengaluruDuplicate Entry60000
6CORA-105Devendra Sharmadev.sharma@logixhub.io+91 98199 88776PuneActive72000
7CORA-106Ananya Iyerananya.iyer@brandnova.in+91 98220 55667HyderabadActive55000
8CORA-107Vikram Malhotravikram@alphamedia.net+91 98110 99881MumbaiActive110000
Showing 8 of 8 records
Memory Cleaned
100% Client-Side Execution (Zero file or financial data transmitted or stored)
Zero Login Required

Frequently Asked Questions

5 FAQs